Water Change Calculator
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ABC
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Dilution/Dosing by Water Change Calculator
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When you plan to use a water change to adjust the concentration of a certain chemical or compound in your aquarium.
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Enter current concentration as measured in your aquarium:
40
concentration units (ppm, SG...)
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Enter the desired concentration after the water change:
35
concentration units (ppm, SG...)
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Enter the concentration of the replacement water: 0
concentration units (ppm, SG...)
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You need to do a13%water change
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Enter the volume of your aquarium: 29
volume units (gallons, liters...)
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This means you need to change3.6
volume units (gallons, liters...)
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Alternate:
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Enter current concentration as measured in your aquarium:
138
concentration units (ppm, SG...)
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Enter the water change percentage you plan to do: 25%%
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Enter the concentration of the replacement water: 60
concentration units (ppm, SG...)
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Your equilized concentration will be118.5
concentration units (ppm, SG...)
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Alternate:
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Enter current concentration as measured in your aquarium:
31
concentration units (ppm, SG...)
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Enter the desired concentration after the water change:
35
concentration units (ppm, SG...)
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Enter the water change percentage you plan to do: 50%
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Your replacement water should be31.1
concentration units (ppm, SG...)
37
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